I know it increases ARV when it goes from 2/1 upstairs to 4/2 but my concern is similar that rooms will be too small.  

Hello, I am new to the investing business.

You've got some good answers here already - if cash flow is your goal, you'd need to weigh the cost of the refinance against the amount of time it would take you to recoup those costs once the cash flow has increased, and see if that makes sense. 

Hi,I run a short-to-mid-term rental business.

If it is stabilized, CoC will look better in Year 1 but won't increase as much over time. 

To me sounds like Jason Loucks has a very good business.

I'm looking to build a wholesaling business around SFHs here in Southern California (Riverside County, specifically), then expand in time to MFHs, possibly commercial.

It's a cost of doing business.

Maximizing Cash Flow: Share the creative ways you've been able to increase income from your house hacked property.Long-term Benefits: Beyond the immediate financial perks, what long-term gains are you seeing with house hacking?

The greater metro area’s median home price increased by a more modest 1.1% to $466,998 over that same period.